ETC Montessori

Coordinate Plane Pre-Algebra

Current Stock:
2.50 LBS
CPSIA Exempt
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Drawing inspiration from the work of René Descartes, children embark on a journey that introduces them to the part of pre-algebra that is based on the coordinate plane. 

Card Size(s):

Task Cards 8½ x 5½ in.  21.6 x 12.7 cm.
Whole Card  3¾ x 5 in.  9.5 x 12.7 cm.
Part Card 3¾ x 4 in. 9.5 x 10.2 cm.
Label Card 3¾ x 1 in 9.5 x 2.5 cm.

The curriculum contains:

Progressing from simple to complex, based on levels, children explore the following concepts:

  • Naming Quadrants and Coordinate points
  • Applying coordinates
  • Geometry and Coordinates
  • Introduction to transformations based on multiplication of negative and positive numbers
  • Graphing Coordinates
  • Scatter points and plots
  • Understanding Scatter Plots
  • Slope formula
  • Positive Slope
  • Negative Slope
  • Using coordinates to find the slope
  • Linear equations
  • Slope intercept form
  • Linear equations x-intercept
  • Linear equations y-intercept
  • Linear equations slope intercept
  • Slope: 0
  • Slope: Undefined
  • Advanced Practice of finding the slope from two coordinate points
  • Advanced Practice of graphing a line based on one point and the slope of the line
The set includes the Teacher's notes for giving the presentations: 
  • Strike the imagination with René Descartes
  • Introduction to the Coordinate Plane
  • Graphing points of a Coordinate Plane
  • Operations with Integers
  • Negative Numbers
  • Using the Point Slope form to write an equation
  • Changing from Point slope form to Slope-Intercept form


Look at our Upper Elementary Math Flow Chart to see how this work fits in with the traditional Montessori math curriculum.

View the Standards that are met through this material

Teacher's Notes and/or Answer Key


1 ETC Half Page Holder with Rack and 1 ETC 3 Part Card Holder

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